Analysis Overview
SHA256
f032af7f19f6f8271d9ebfbd15c5dcaebc93ec5f2b155c30429363e1c887dcae
Threat Level: Known bad
The file 2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch was found to be: Known bad.
Malicious Activity Summary
Gofing
Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.
Gofing family
Renames multiple (51) files with added filename extension
Drops file in Drivers directory
Manipulates Digital Signatures
Drops startup file
Executes dropped EXE
Credentials from Password Stores: Windows Credential Manager
Loads dropped DLL
Reads user/profile data of web browsers
Drops desktop.ini file(s)
Drops Chrome extension
Drops autorun.inf file
Drops file in System32 directory
Drops file in Windows directory
Drops file in Program Files directory
Browser Information Discovery
Unsigned PE
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-05-03 14:59
Signatures
Gofing family
Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.
| Description | Indicator | Process | Target |
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Unsigned PE
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Analysis: behavioral2
Detonation Overview
Submitted
2025-05-03 14:59
Reported
2025-05-03 15:02
Platform
win11-20250502-en
Max time kernel
150s
Max time network
101s
Command Line
Signatures
Gofing
Gofing family
Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.
| Description | Indicator | Process | Target |
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Renames multiple (51) files with added filename extension
Drops file in Drivers directory
Manipulates Digital Signatures
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\wintrust.dll | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\pwrshsip.dll | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Credentials from Password Stores: Windows Credential Manager
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Executes dropped EXE
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Loads dropped DLL
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Reads user/profile data of web browsers
Drops Chrome extension
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nmmhkkegccagdldgiimedpiccmgmieda\1.0.0.6_0\manifest.json | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Drops desktop.ini file(s)
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\BitLockerDiscoveryVolumeContents\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Drops file in System32 directory
Drops file in Program Files directory
Drops file in Windows directory
Browser Information Discovery
Processes
C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe"
Network
Files
C:\Program Files\7-Zip\7-zip32.dll
| MD5 | dbc68c12931595581000fae594c4da65 |
| SHA1 | ff667e425973f4eaab53d9476a438dd3a021e972 |
| SHA256 | f0d1a2bab1e86df296024f6e9206de2537d23fd800fcfcc9bbcc5e72068c15a1 |
| SHA512 | 6fa7578a1ec089844c8f755fa794613ed2ec925afb4ba4058d335badb43781821876b71318a251f3ce798976d0320ac2e5d202ae9ae344b339933a15c376c7c6 |
C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL
| MD5 | 607fc36e2dc98388c07a5b80f14b3e0d |
| SHA1 | 0085f8d5f091e5a7fddfde88642f45391972f52b |
| SHA256 | 3a1bd0435f525aff049ec5e87528f34a713fb6da9d4ec083ed6da1b619101fc6 |
| SHA512 | 90f6b2b2e3f38a23f6d20fdd40fb80830d39dfb472b3ef7f0fc0d47be79cdeaa0988d78f581f32d8c1a4186ff83d2e90f4b6454af4520a88cf29a3a9d9a48db7 |
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\msoshext.dll
| MD5 | b957cdf1c45809990a2067ffb60af5d3 |
| SHA1 | 8d1389e2ef7a762f237d9e0a9c82bc696fd75f14 |
| SHA256 | a8c50d7a6ef5a74f21237e3cc2f4eba17942cd32a30b2607937525d6975e1d46 |
| SHA512 | 71e9400a4de1142097607ab27b6b722b67a2ea167dfab74f95a9044b7c70ec6fb254644a5fb46362051c79d5eebee05ad2d1e7b22902126b8e2ccdb016992814 |
Analysis: behavioral1
Detonation Overview
Submitted
2025-05-03 14:59
Reported
2025-05-03 15:02
Platform
win10v2004-20250502-en
Max time kernel
150s
Max time network
129s
Command Line
Signatures
Gofing
Gofing family
Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Renames multiple (51) files with added filename extension
Credentials from Password Stores: Windows Credential Manager
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Loads dropped DLL
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Reads user/profile data of web browsers
Drops Chrome extension
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nmmhkkegccagdldgiimedpiccmgmieda\1.0.0.6_0\manifest.json | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Drops desktop.ini file(s)
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\BitLockerDiscoveryVolumeContents\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe | N/A |
Drops file in System32 directory
Drops file in Program Files directory
Drops file in Windows directory
Browser Information Discovery
Processes
C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-03_b312be4969f3de211b46bb28fefc55bb_cobalt-strike_frostygoop_ghostlocker_luca-stealer_sliver_snatch.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| DE | 142.250.184.195:80 | c.pki.goog | tcp |
Files
C:\Program Files\7-Zip\7-zip.dll
| MD5 | dee4ba2da2b1333ffee0461dcb348aa4 |
| SHA1 | 174940d2c05340c59a391fee4d62bfab92a02e85 |
| SHA256 | b426f355e37f13b18f515264477f7fd567d9f31aa5c2104c0231abc7a2e1ad38 |
| SHA512 | d74db3e9c3a22c2d3175eb59b533d27928635337d83f5ef56d825b4a7cdacab2546b90d2cd11b2b352af6397ae2e3286968a2d358095dcd33352a14bb4e9e822 |
C:\Program Files\Microsoft Office\root\Office16\VISSHE.DLL
| MD5 | 822d43105baeeb4b979a770940d0bd1d |
| SHA1 | 8d09378e50a8a57ea22bae90ee572407ba803922 |
| SHA256 | 89c074a034c3462b56d37df97654e43e8da233b92f69c6585c0a33e09a771393 |
| SHA512 | f017ae96e536393575e299b3e429bba557065ef114cb9537f9f8143b06ed151ed35de6fe827b8a223a9194aa0ce498bc5e316064188bc2592043c87bd76a4809 |
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\msoshext.dll
| MD5 | dd9f2baa7c5046de065763219b947a90 |
| SHA1 | b1cd22ef38b42a2f17d0e4d95f97ff2bc3d233ec |
| SHA256 | aff7d11e6e0a8dd36dbdb0f351641bcb8d8282256b0f9f3e1802af3739be601a |
| SHA512 | 6135d4f8149afedbc0a73138622f5e853923534f1c06e50a6ad2cac0f059b672c18e36632d79f36d565569bd56969cf8b5ff42590ad22029fdea0b63dce936c7 |